The cable - stayed bridge of the hong kong section has a main span of 210m with a single inclined tower 158m in height . viaducts carry the approach roads to the bridges with piers at a typical spacing of 75m 香港侧的斜拉桥主跨长度为210米,单柱式后仰索塔高158米,高架引桥跨距一般为75米。